Mercurial > yaffs-ecoscentric

annotate packages/fs/yaffs/current/src/ecos-yaffs-nand.h @ 300:9c8ff034abb0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Graft in 20090826 source snapshot
author Ross Younger <wry@ecoscentric.com>
date Tue, 03 Nov 2009 12:15:09 +0000
parents
children 16de60f90faa
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
300
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
1 #ifndef CYGONCE_ECOS_YAFFS_NAND_H
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
2 #define CYGONCE_ECOS_YAFFS_NAND_H
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
3 //=============================================================================
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
4 //
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
5 // ecos-yaffs-nand.h
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
6 //
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
7 // Glue for YAFFS to the eCos NAND library
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
8 //
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
9 //=============================================================================
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
10 // ####ECOSGPLCOPYRIGHTBEGIN####
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
11 // -------------------------------------------
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
12 // This file is part of eCos, the Embedded Configurable Operating System.
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
13 // Copyright (C) 2009 eCosCentric Limited.
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
14 //
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
15 // eCos is free software; you can redistribute it and/or modify it under
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
16 // the terms of the GNU General Public License as published by the Free
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
17 // Software Foundation; either version 2 or (at your option) any later
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
18 // version.
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
19 //
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
20 // eCos is distributed in the hope that it will be useful, but WITHOUT
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
21 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
22 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
23 // for more details.
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
24 //
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
25 // You should have received a copy of the GNU General Public License
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
26 // along with eCos; if not, write to the Free Software Foundation, Inc.,
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
27 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
28 //
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
29 // As a special exception, if other files instantiate templates or use
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
30 // macros or inline functions from this file, or you compile this file
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
31 // and link it with other works to produce a work based on this file,
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
32 // this file does not by itself cause the resulting work to be covered by
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
33 // the GNU General Public License. However the source code for this file
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
34 // must still be made available in accordance with section (3) of the GNU
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
35 // General Public License v2.
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
36 //
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
37 // This exception does not invalidate any other reasons why a work based
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
38 // on this file might be covered by the GNU General Public License.
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
39 // -------------------------------------------
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
40 // ####ECOSGPLCOPYRIGHTEND####
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
41 //=============================================================================
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
42 //#####DESCRIPTIONBEGIN####
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
43 //
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
44 // Author(s): wry
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
45 // Date: 2009-05-07
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
46 //
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
47 //####DESCRIPTIONEND####
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
48 //=============================================================================
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
49
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
50 #include <cyg/nand/nand.h>
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
51 #include "yaffs_guts.h" // extendedTags
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
52 #include "devextras.h" // __u8 and __u32
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
53
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
54 int eyaffs_eraseBlockInNAND (struct yaffs_DeviceStruct * dev, int blockInNAND);
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
55 int eyaffs_initialiseNAND (struct yaffs_DeviceStruct * dev);
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
56 // not mandatory:
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
57 int eyaffs_deinitialiseNAND (struct yaffs_DeviceStruct * dev);
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
58
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
59 #ifdef CYGSEM_FS_YAFFS_SMALLPAGE_MODE_YAFFS1
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
60 int eyaffs_writeChunkToNAND(struct yaffs_DeviceStruct *dev,
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
61 int chunkInNAND, const __u8 *data,
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
62 const yaffs_Spare *spare);
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
63 int eyaffs_readChunkFromNAND(struct yaffs_DeviceStruct *dev,
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
64 int chunkInNAND, __u8 *data,
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
65 yaffs_Spare *spare);
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
66 #endif
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
67
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
68 int eyaffs_writeChunkWithTagsToNAND (struct yaffs_DeviceStruct * dev,
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
69 int chunkInNAND, const __u8 * data,
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
70 const yaffs_ExtendedTags * tags);
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
71 int eyaffs_readChunkWithTagsFromNAND (struct yaffs_DeviceStruct * dev,
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
72 int chunkInNAND, __u8 * data,
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
73 yaffs_ExtendedTags * tags);
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
74 int eyaffs_markNANDBlockBad (struct yaffs_DeviceStruct * dev, int blockNo);
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
75 int eyaffs_queryNANDBlock (struct yaffs_DeviceStruct * dev, int blockNo,
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
76 yaffs_BlockState * state, __u32 *sequenceNumber);
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
77
9c8ff034abb0 Graft in 20090826 source snapshot
Ross Younger <wry@ecoscentric.com>
parents:
diff changeset
78 #endif //CYGONCE_ECOS_YAFFS_NAND_H